Tohutoro APA (7th ed.)
Pal, B., & Das, K. (2012). Engineering mathematics-IV (5th ed. rev.). U. N. Dhur & Sons.
Tohutoru Kātū Chicago (17th ed.)
Pal, B.K, me K. Das. Engineering Mathematics-IV. 5th ed. rev. Kolkata: U. N. Dhur & Sons, 2012.
Tohutoro MLA (9th ed.)
Pal, B.K, me K. Das. Engineering Mathematics-IV. 5th ed. rev. U. N. Dhur & Sons, 2012.
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